2002201032173 has 2 divisors, whose sum is σ = 2002201032174. Its totient is φ = 2002201032172.

The previous prime is 2002201032157. The next prime is 2002201032199. The reversal of 2002201032173 is 3712301022002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1628436314404 + 373764717769 = 1276102^2 + 611363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002201032173 - 2⁴ = 2002201032157 is a prime.

It is a super-2 number, since 2×2002201032173² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002201032113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001100516086 + 1001100516087.

It is an arithmetic number, because the mean of its divisors is an integer number (1001100516087).

Almost surely, 2^{2002201032173} is an apocalyptic number.

It is an amenable number.

2002201032173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002201032173 is an equidigital number, since it uses as much as digits as its factorization.

2002201032173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 2002201032173 its reverse (3712301022002), we get a palindrome (5714502054175).

The spelling of 2002201032173 in words is "two trillion, two billion, two hundred one million, thirty-two thousand, one hundred seventy-three".